源码：
//==================================================== // 访问https://www.zhihu.com/得到pagecode // 2017年11月6日 //==================================================== // 内置https模块，提供了https服务器和客户端功能 var https=require("https"); // cheerio模块，提供了类似jQuery的功能 var cheerio = require("cheerio"); // 内置文件处理模块 var fs=require('fs'); // 请求参数JSON var options; // request请求 var req; //-------------------------------------- // 程序入口 //-------------------------------------- function start(){ // 初始化options options={ hostname:'www.zhihu.com', port:443, path:'/',// 子路径 method:'GET', agent:false, }; req=https.request(options,function(resp){ resp.setEncoding('utf8'); var body=""; resp.on('data',function(chunk){ body+=chunk; }); resp.on('end',function(){ var $ = cheerio.load(body); console.log(body); }); }); // 超时处理 req.setTimeout(5000,function(){ req.abort(); }); // 出错处理 req.on('error',function(err){ if(err.code=="ECONNRESET"){ console.log('socket端口连接超时。'); }else{ console.log('请求发生错误，err.code:'+err.code); } }); // 请求结束 req.end(); } // 调用start函数，程序开始 start();
得到的body数据：
<!DOCTYPE html> <html lang="zh-CN" class=""> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <meta http-equiv="X-ZA-Response-Id" content="110f3b166e9849aa"> <meta http-equiv="X-ZA-Experiment" content="default:None,ge3:ge3_9,ge2:ge2_1,nweb_sticky_sidebar:sticky,live_review_buy_bar:live_review_buy_bar_2,is_office:false,home_ui2:default,is_show_unicom_free_entry:unicom_free_entry_off,app_store_rate_dialog:close,qa_sticky_sidebar:sticky_sidebar,android_profile_panel:panel_b,live_store:ls_a2_b2_c1_f2,search_hybrid_tabs:without-tabs,answer_related_readings:qa_recommend_with_ads_and_article,asdfadsf:asdfad,new_mobile_column_appheader:new_header,fav_act:default,remix_one_key_play_button:headerButton,mobile_qa_page_proxy_heifetz:m_qa_page_nweb,nweb_write_answer:default,android_pass_through_push:getui,new_more:new,new_buy_bar:livenewbuy3,zcm-lighting:zcm,iOS_newest_version:4.2.0,qrcode_login:qrcode,wechat_share_modal:wechat_share_modal_show"> <meta 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